Milwaukee, WI - It's the type of eyewitness video that is bound to be a web sensation. A local man dressed as a clown getting into a brawl with a Milwaukee police officer. And the incident is all caught on camera.

"I pulled up to the stop-light on the corner of water and wells, and I kind of happened to look to my right because there was a little bit of movement of a police officer approaching this man kind of dressed as a clown, but you couldn't really tell. It was really weird."

Mitch Cooper says he couldn't believe what he was seeing , he thought quickly to pull out his phone and press record.

"What's going through my head is a cop beating up a clown. How can I not capture this video and show it to all my friends?" So I had to whip out my phone and hit on video."

The man dressed as a clown is a local activist often spotted outside government buildings, Friday he was outside city hall. Police wouldn't go on camera but say they received several complaints the man was chasing cars with a squirt gun.

When police arrived, they said the clown resisted arrest.

"The officer reached for him, and then all of a sudden, the next thing you know, they're on the ground, tussling and rolling around. The officer started punching him, and then another officer showed up, and it looked like they were about to arrest him. It was pretty funny. The clown was resisting, so the cop needed to do what he needed to do to make sure he was safe."

Mitch says he just happened to be in the right place at the right time.

"It was funny to witness, probably not so fun for the clown, but as a spectator, it was pretty entertaining."